package com.aurora.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.netty.util.internal.StringUtil;
import com.aurora.common.constant.ProductConstant;
import com.aurora.common.to.SkuHasStockVo;
import com.aurora.common.to.SkuReductionTo;
import com.aurora.common.to.SpuBoundTo;
import com.aurora.common.to.es.SkuEsModel;
import com.aurora.common.utils.PageUtils;
import com.aurora.common.utils.Query;
import com.aurora.common.utils.R;
import com.aurora.gulimall.product.entity.*;
import com.aurora.gulimall.product.feign.CouponFeignService;
import com.aurora.gulimall.product.feign.SearchFeignService;
import com.aurora.gulimall.product.feign.WareFeignService;
import com.aurora.gulimall.product.service.*;
import com.aurora.gulimall.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import com.aurora.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {
    @Autowired
    private SpuInfoDescService spuInfoDescService;
    @Autowired
    private SpuImagesService spuImagesService;
    @Autowired
    private AttrService attrService;
    @Autowired
    private ProductAttrValueService attrValueService;
    @Autowired
    private SkuInfoService skuInfoService;
    @Autowired
    private SkuImagesService skuImagesService;
    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;
    @Autowired
    private CouponFeignService couponFeignService;
    @Autowired
    private BrandService brandService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private WareFeignService wareFeignService;
    @Autowired
    private SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }
    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo spuInfo) {
        //1、保存spu基本信息  pms_spu_info
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(spuInfo,spuInfoEntity);
        this.saveBaseSpuInfo(spuInfoEntity);

        //2、保存spu的描述图片  pms_spu_info_desc
        List<String> spuInfoDecripts = spuInfo.getDecript();
        SpuInfoDescEntity spuInfoDescEntity = new SpuInfoDescEntity();
        spuInfoDescEntity.setSpuId(spuInfoEntity.getId());
        spuInfoDescEntity.setDecript(String.join(",",spuInfoDecripts));
        spuInfoDescService.saveSpuInfoDesc(spuInfoDescEntity);

        //3、保存spu的图片集  pms_spu_images
        List<String> images = spuInfo.getImages();
        spuImagesService.saveImages(spuInfoEntity.getId(),images);

        //4、保存spu的规格参数 pms_product_attr_value
        List<BaseAttrs> baseAttrs = spuInfo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity productAttrValueEntity = new ProductAttrValueEntity();
            productAttrValueEntity.setAttrId(attr.getAttrId());
            AttrEntity byId = attrService.getById(attr.getAttrId());
            productAttrValueEntity.setAttrName(byId.getAttrName());
            productAttrValueEntity.setAttrValue(attr.getAttrValues());
            productAttrValueEntity.setQuickShow(attr.getShowDesc());
            productAttrValueEntity.setSpuId(spuInfoEntity.getId());
            return productAttrValueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);
        //5、保存spu的积分信息； gulimall_sms->sms_spu_bounds
        Bounds bounds = spuInfo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(spuInfoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if(r.getCode() != 0){
            log.error("远程保存spu积分信息失败");
        }

        //5、保存当前spu对应的所有sku信息
        //5.1 sku的基本信息：pms_sku_info
        List<Skus> skus = spuInfo.getSkus();
        if(skus != null && skus.size()>0){
            skus.forEach(item->{
                String defaultImage  = "";
                for (Images image:item.getImages()){
                    if(image.getDefaultImg() == 1){
                        defaultImage = image.getImgUrl();
                    }
                }
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
                skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(spuInfoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImage);
                skuInfoService.saveSkuInfo(skuInfoEntity);
                Long skuId = skuInfoEntity.getSkuId();
                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity->{
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //5.2 sku的图片信息；pms_sku_images
                skuImagesService.saveBatch(imagesEntities);
                //5.3 sku的销售属性信息；pms_sku_sale_attr_value
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(attrItem -> {
                    SkuSaleAttrValueEntity skuSaleAttrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(item, skuSaleAttrValueEntity);
                    skuSaleAttrValueEntity.setSkuId(skuId);
                    return skuSaleAttrValueEntity;
                }).collect(Collectors.toList());
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);
                //5.4 sku的优惠、满减等信息gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if(skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(BigDecimal.ZERO)==1){
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if(r1.getCode() != 0){
                        log.error("远程保存sku优惠信息失败");
                    }
                }

            });
        }


    }

    /**保存spu基本信息
     * @param spuInfoEntity
     */
    @Override
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
        this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> qw = new QueryWrapper<>();
        String key = (String) params.get("key");
        if(!StringUtils.isEmpty(key)){
            qw.and(w->{
                w.eq("id",key).or().like("spu_name",key);
            });
        }
        String status = (String) params.get("status");
        if(!StringUtils.isEmpty(status)){
            qw.eq("publish_status",status);
        }
        String brandId = (String) params.get("brandId");
        if(!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)){
            qw.eq("brand_id",brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if(!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)){
            qw.eq("catalog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                qw
        );
        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {
        //1、查出当前spuid对应的所有sku信息，品牌的名字
        List<SkuInfoEntity> skus = skuInfoService.getSkusBySpuId(spuId);
        List<Long> skuIds = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());

        //2.4、查询当前sku所有可以被用来检索的规格属性
        List<ProductAttrValueEntity> attrValueEntities = attrValueService.baseAttrListForSpu(spuId);
        List<Long> attrIds = attrValueEntities.stream().map(ProductAttrValueEntity::getAttrId).collect(Collectors.toList());
        List<Long> searchAttrIds = attrService.selectSearchAttrIds(attrIds);
        Set<Long> idSet = new HashSet<>(searchAttrIds);
        List<SkuEsModel.Attrs> filterAttrIds = attrValueEntities.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs);
            return attrs;
        }).collect(Collectors.toList());
        Map<Long, Boolean> stockMap = null;
        //2.1、发送远程调用，库存系统查询是否有库存
        try{//防止网络波动而影响后续程序执行
            R r = wareFeignService.getSkuHasStock(skuIds);
            //System.out.println("sku-getData:"+skuHasStock.getData());
            //原泛型写法有bug，R里取不到Data
            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>(){};
            stockMap = r.getData(typeReference).stream()
                    .collect(Collectors.toMap(SkuHasStockVo::getSkuId, item->item.getHasStock()));
        }catch (Exception e){
            log.error("库存服务查询异常：原因{}",e);
        }

        //2、封装每个sku信息
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> collect = skus.stream().map(sku -> {
            //组装需要的数据
            SkuEsModel skuEsModel = new SkuEsModel();
            BeanUtils.copyProperties(sku,skuEsModel);
            skuEsModel.setSkuPrice(sku.getPrice());
            skuEsModel.setSkuImg(sku.getSkuDefaultImg());
            //设置库存信息
            if(finalStockMap == null){
                skuEsModel.setHasStock(true);
            }else{
                skuEsModel.setHasStock(finalStockMap.get(sku.getSkuId()));

            }
            //2.2、热度评分。
            skuEsModel.setHotScore(0l);
            //2.3、查询品牌和分类的名字信息
            BrandEntity brandEntity = brandService.getById(skuEsModel.getBrandId());
            skuEsModel.setBrandName(brandEntity.getName());
            skuEsModel.setBrandImg(brandEntity.getLogo());
            skuEsModel.setAttrs(filterAttrIds);
            CategoryEntity categoryEntity = categoryService.getById(skuEsModel.getCatalogId());
            skuEsModel.setCatalogName(categoryEntity.getName());
            //设置检索
            skuEsModel.setAttrs(filterAttrIds);
            return skuEsModel;
        }).collect(Collectors.toList());

        //5、将数据发送给es进行保存
        R r = searchFeignService.productStatusUp(collect);
        if(r.getCode() == 0){
            //远程调用成功
            //6、修改当前spu的状态
            this.baseMapper.updataSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
        }else{
            //远程调用失败
            //TODO 7、 重复调用？接口幂等性；重试机制
            //feign调用流程
            /**
             * 1、构造请求数据，将对象转为json
             * 2、发送请求进行执行（执行成功解码响应数据）
             * 3、执行请求会有重试机制
             * */

        }


    }


}